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3G Electric
COFI Oil transformer TRS 818 C/S4 - Ignition Transformers
COFIIgnition Transformers

COFI Oil transformer TRS 818 C/S4

Cofi TRS 818 C/S4 is an oil transformer designed for ignition systems requiring high-voltage secondary output. It steps up 220 V primary voltage to 2x4000 V secondary, serving industrial ignition and combustion…

SKU 3G-CBM-01188

Brand
COFI
Item
Oil transformer TRS 818 C/S4
Category
Ignition Transformers
UNSPSC
39121003 — Instrument transformers
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

COFI
type
oil transformer
model
TRS 818 C/S4
volts
2x4000
tension v
220
primary voltage
220 V
secondary voltage
2x4000 V

Technical Documents

(1)
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COFI Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Cofi TRS 818 C/S4 is an oil transformer designed for ignition systems requiring high-voltage secondary output. It steps up 220 V primary voltage to 2x4000 V secondary, serving industrial ignition and combustion control applications.

Frequently Asked Questions

Where can I buy the COFI TRS 818 C/S4 oil transformer worldwide?

3G Electric is an authorised distributor of COFI ignition transformers, including the TRS 818 C/S4. We handle logistics, customs, and delivery worldwide. Lead times and availability can be confirmed upon request.

What is the secondary voltage output of the COFI TRS 818 C/S4?

The TRS 818 C/S4 steps up 220 V primary voltage to 2x4000 V secondary output, designed for high-voltage ignition and combustion control applications in industrial settings.

What are the lead times for ordering the COFI TRS 818 C/S4 oil transformer?

Lead time depends on current availability and your location. 3G Electric can provide a delivery estimate and quotation upon request. Contact our team with your order quantity and destination for a firm timeline.

Used in

Common applications for COFI
Industrial gas boilers — Cofi TRS 830 P/S ignition transformer for spark generation in natural gas burners
Fuel oil burner systems — Cofi TRG 1035/S transformer providing dual 5000V outputs for oil atomization ignition
High-energy ignition in process furnaces — Cofi TRK2-35 oil-filled transformer delivering 12000V for heavy fuel ignition
Combustion control panels — Cofi T17M transformer with polyester resin isolation for electrode gaps of 3-5mm
Dual-fuel burner applications — Cofi TRS 818 C/S4 oil transformer with 2x4000V output for gas/oil switching
Field replacement and maintenance — Cofi Spina cable A L400mm straight and angled high-voltage cables for transformer retrofits
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COFI Products

3G Electric supplies COFI ignition transformers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Dongan
Dongan
Dongan FP12-551, single-phase control transformer, 5.0 kVA
Dongan
Dongan
Dongan HC-0500-44, single-phase control transformer, 500 VA
Dongan
Dongan
Dongan HC-0500-4100, single-phase control transformer, 500 VA
Dongan
Dongan
Dongan HC-0500-4400, single-phase control transformer, 500 VA

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